Table 2

Changes in health insurance claims between 2019 and 2020 (N=28 933)

Size of HCI	Period	2019	2020	Change (%)	t-value	P value
Average number of HIC	Year	25 112	21 372	−14.89	7.67	<0.0001
Tertiary hospitals (n=42)	Q1	254 060	236 972	−6.73	0.47	0.6423
	Q2	261 987	250 264	−4.47	0.30	0.7618
	Q3	270 386	254 865	−5.74	0.39	0.6952
	Q4	269 854	258 675	−4.14	0.28	0.7814
	Total	1 056 286	1 000 777	−5.26	0.36	0.7208
General hospitals (n=293)	Q1	61 466	56 866	−7.48	1.16	0.2479
	Q2	65 215	57 529	−11.79	1.86	0.063
	Q3	65 854	60 898	−7.53	1.18	0.2394
	Q4	65 764	59 993	−8.78	1.38	0.1691
	Total	258 299	235 285	−8.91	1.4	0.1626
Small hospitals (n=1272)	Q1	11 730	10 332	−11.92	3.77	0.0002
	Q2	12 885	10 255	−20.41	6.71	<0.0001
	Q3	12 648	10 671	−15.63	5.08	<0.0001
	Q4	12 987	10 536	−18.87	6.10	<0.0001
	Total	50 250	41 794	−16.83	5.48	<0.0001
Medical clinics (n=27 049)	Q1	4669	4306	−7.77	12.58	<0.0001
	Q2	5123	4066	−20.62	35.08	<0.0001
	Q3	4760	4142	−12.98	21.21	<0.0001
	Q4	5252	4060	−22.69	38.67	<0.0001
	Total	19 803	16 574	−16.31	27.46	<0.0001

C, clinics; H, hospitals; HIC, health insurance claim; M, medicine; HCI: healthcare institution.